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notice Page i Monday, July 8, 1996 4:38 PM NOTICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made. The hardware, firmware, or software described in this manual is subject to change without notice. IN NO EVENT SHALL CABLETRON SYSTEMS BE LI
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notice Page ii Monday, July 8, 1996 4:38 PM Notice DOC NOTICE This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications. Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique édicté par le mini
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notice Page iii Monday, July 8, 1996 4:38 PM Notice CABLETRON SOFTWARE PROGRAM LICENSE 1. LICENSE. You have the right to use only the one (1) copy of the Program provided in this package subject to the terms and conditions of this License Agreement. You may not copy, reproduce or transmit any part of the Program except as permitted by the Copyright Act of the United States or as authorized in writing by Cabletron. 2. OTHER RESTRICTIONS. You may not reverse engineer, decompile, or d
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notice Page iv Monday, July 8, 1996 4:38 PM Notice DECLARATION OF CONFORMITY Application of Council Directive(s): 89/336/EEC 73/23/EEC Manufacturer’s Name: Cabletron Systems, Inc. Manufacturer’s Address: 35 Industrial Way PO Box 5005 Rochester, NH 03867 European Representative Name: Mr. J. Solari European Representative Address: Cabletron Systems Limited Nexus House, Newbury Business Park London Road, Newbury Berkshire RG13 2PZ, England Conformance to Directive(s)/P
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CONTENTS CHAPTER 1 INTRODUCTION 1.1 Using This Manual....................................................................... 1-1 1.2 Document Conventions ............................................................... 1-3 1.3 Fiber Optic Media Interface Modules........................................... 1-3 1.3.1 Distance and Cable Type ............................................... 1-3 1.3.2 Multi Media Access Centers ........................................... 1-4 1.4 LANVIEW Status
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Contents vi FOMIM User’s Guide
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CHAPTER 1 INTRODUCTION Welcome to the Cabletron Systems FOMIM-32/36/38 Fiber Optic Media Interface Module User’s Guide. We have designed this manual to serve as a simple installation and reference guide for the FOMIM, and to explain the capabilities and special features of the module. Before using the FOMIM, you need to carefully read through this manual to gain a full understanding of the FOMIM and its capabilities. Cabletron Systems offers three versions of 1300 nm single
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Chapter 1: Introduction Figure 1-1 The FOMIMs It is assumed that you have a general working knowledge of Ethernet or IEEE 802.3 type data communications networks and their physical layer components. 1-2 FOMIM User’s Guide
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Document Conventions 1.2 DOCUMENT CONVENTIONS The following conventions are used throughout this document: Note symbol. Calls the reader’s attention to any item of NOTE information that may be of special importance. Caution symbol. Contains information essential to avoid damage to the equipment. ! CAUTION Warning symbol. Warns against an action that could result in equipment damage, personal injury or death. 1.3 FIBER OPTIC MEDIA INTERFACE MODULES Cabletron Systems
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Chapter 1: Introduction 1.3.2 Multi Media Access Centers The Cabletron Systems Fiber Optic Media Interface Modules are designed to be installed into the Cabletron Systems Multi Media Access Center (MMAC). The modular design of the MMAC allows the FOMIM to co-exist with other Media Interface Modules (MIMs) to provide a variety of different media connections on any one point. Each packet entering the FOMIM is repeated by the repeater module in the MMAC. Each packet that enters the rep
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LANVIEW Status Monitoring System LANVIEW LEDs Figure 1-2 LANVIEW LEDs The following discusses the function of each LANVIEW LED on the FOMIM (Figure 1-2). Note that there is one Link OK (LNK) and one Receive (RCV) LED for each port on the MIM, as well as one Error (ERR) and one Collision (CLN) LED for the entire MIM. Link OK (LNK) LED When lit, this green LED indicates that a link has been established between the receive circuitry of the FOMIM and the transmit circuitry of the fiber
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Chapter 1: Introduction Error (ERR) LED When lit, this red LED indicates the temperature within the MMAC chassis has risen to 40 C or greater. The FOMIM alerts the management board, and the FOMIM in turn receives a signal to light the LED. 1.5 RELATED MANUALS The manuals listed below should be used to supplement the procedures and other technical data provided in this manual. The procedures contained in these manuals will be referenced, rather than repeated, in th
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Getting Help • The serial and revision numbers of all Cabletron Systems products in the network • The device history (i.e., have you returned the device before, is this a recurring problem, etc.) • Any previous Return Material Authorization (RMA) numbers FOMIM User’s Guide 1-7
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Chapter 1: Introduction 1-8 FOMIM User’s Guide
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CHAPTER 2 NETWORK REQUIREMENTS AND INSTALLATION This chapter begins with network design guidelines in Section 2.1, Network Cable Requirements, that must be met before installing the module in a network. It then provides instructions for installing the Cabletron Systems Fiber Optic Media Interface Module into the MMAC family of modular hubs. 2.1 NETWORK CABLE REQUIREMENTS When connecting fiber optic segments to the FOMIM, you must follow the network guidelines listed below. Fa
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Chapter 2: Network Requirements and Installation Propagation delay is the amount of time it takes a packet to travel from the sending device to the receiving device. Total propagation delay allowed for the entire network is 25.6 m s. If the total propagation delay between any two nodes on the network exceeds 25.6 m s, then bridges should be used. • When using single mode fiber optic cable, segment lengths up to 5 km are possible if system budgets are met. 2.2 UNPACKING THE FOMIM Unp
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Installing the FOMIM into the MMAC 2.3 INSTALLING THE FOMIM INTO THE MMAC You can easily install the FOMIM into a Multi Media Access Center with a Flexible Network Bus (MMAC-FNB). Install the FOMIM into the MMAC as follows: 1. Power down the MMAC hub. 2. Remove any chassis safety bars present on the front of the MMAC hub. 3. Slide the FOMIM (Figure 2-1) into the card cage of the MMAC hub. Be sure that the card is properly aligned in the top and bottom slots of the card cage. Slot 1 of the
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Chapter 2: Network Requirements and Installation 2.4 CONNECTING FIBER OPTIC CABLING TO THE FOMIM Each fiber optic link consists of two strands of fiber optic cabling: the transmit (TX) and the receive (RX). The transmit strand from a module port connects to the receive port of a fiber optic Ethernet device at the other end of the segment. The receive strand of the applicable port on the module connects to the transmit port of the fiber optic Ethernet device. Cabletron Systems recommends labelin
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Connecting Fiber Optic Cabling to the FOMIM 4. At the other end of the fiber optic cable, attach the fiber pair to the transmit and receive ports of the device. If link indicators are present for the fiber optic connection, check that they are ON. If an indicator is present but not ON, that port does not have a valid link. Perform each of the following steps until you reach a resolution of the problem and achieve a link. • Check that the device at the other end of the link is ON. • Verify pro
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FOMIM-32/36/38 FIBER OPTIC
MEDIA INTERFACE MODULE
USER’S GUIDE
